Selection of parameters in gear design
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May I ask how the various parameters required for calculation are selected when designing standard involute gears? For example, the dynamic load factor, the contact fatigue strength limit, the bending fatigue strength limit, the end-face alignment of helical gears, and the influence coefficient of the helix angle, etc. If one simply selects values based on the tables or curves in books, visual errors can lead to inaccuracies in those values. I’m curious how others manage to select design parameters more accurately – through experience or any other useful tips?
These parameters were all chosen according to the book. Only the variation coefficient is selected based on the experience of various plants. This is also the fundamental reason why gears from different manufacturers are not interchangeable